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| author | Paolo Carlini <pcarlini@unitus.it> | 2001-12-07 20:00:07 +0100 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2001-12-07 19:00:07 +0000 |
| commit | 46d360629c51103214a197e1b208fc365c9e55db (patch) | |
| tree | 29d4ee730abcfab05c681ce96fea14c67deb9f0d | |
| parent | 9975c6d4289c31434ee9dccf72cfbd84c1778bf3 (diff) | |
| download | gcc-46d360629c51103214a197e1b208fc365c9e55db.zip gcc-46d360629c51103214a197e1b208fc365c9e55db.tar.gz gcc-46d360629c51103214a197e1b208fc365c9e55db.tar.bz2 | |
locale_facets.tcc (num_put::_M_convert_float): Extend comment, reduce __cs_size for non-fixed outputs.
2001-12-07 Paolo Carlini <pcarlini@unitus.it>
* include/bits/locale_facets.tcc (num_put::_M_convert_float):
Extend comment, reduce __cs_size for non-fixed outputs.
From-SVN: r47767
| -rw-r--r-- | libstdc++-v3/ChangeLog | 5 | ||||
| -rw-r--r-- | libstdc++-v3/include/bits/locale_facets.tcc | 8 |
2 files changed, 11 insertions, 2 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 26cad18..4e32aa3 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,4 +1,9 @@ 2001-12-07 Paolo Carlini <pcarlini@unitus.it> + + * include/bits/locale_facets.tcc (num_put::_M_convert_float): + Extend comment, reduce __cs_size for non-fixed outputs. + +2001-12-07 Paolo Carlini <pcarlini@unitus.it> * include/bits/basic_string.tcc (_M_mutate): Fix typo in the previous check in. diff --git a/libstdc++-v3/include/bits/locale_facets.tcc b/libstdc++-v3/include/bits/locale_facets.tcc index 363ff8b..51bc9ed 100644 --- a/libstdc++-v3/include/bits/locale_facets.tcc +++ b/libstdc++-v3/include/bits/locale_facets.tcc @@ -762,9 +762,13 @@ namespace std // Consider the possibility of long ios_base::fixed outputs const bool __fixed = __io.flags() & ios_base::fixed; const int __max_exp = numeric_limits<_ValueT>::max_exponent10; - // XXX Why + 4? Why * 4? What's going on? Who's on first? + // ios_base::fixed outputs may need up to __max_exp+1 chars + // for the integer part + up to __max_digits chars for the + // fractional part + 3 chars for sign, decimal point, '\0'. On + // the other hand, for non-fixed outputs __max_digits*3 chars + // are largely sufficient. const int __cs_size = __fixed ? __max_exp + __max_digits + 4 - : __max_digits * 4; + : __max_digits * 3; char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); int __len; |